2023-07-20 06:19:10
On the 20th, the Japan Meteorological Agency announced that it is believed that the rainy season has ended in Chugoku, Kinki, and Tokai. Even in central Tokyo, the cicadas have continued to ring out, but one of the timings for the end of the rainy season in Kanto Koshin is likely to be this weekend, Saturday and Sunday.
The end of the rainy season varies depending on the region. Kanto Koshin is timing this Saturday and Sunday
Areas where the rainy season has not yet ended are southern Kyushu, northern Kyushu, Kanto-Koshin, Hokuriku, southern Tohoku, and northern Tohoku.
Looking at the weekly forecast and weather charts from now on, the weather in Hokuriku will continue to be relatively stable from the 21st, so the end of the rainy season may be announced on the 21st.
In Kanto-Koshin, the atmosphere will continue to be unstable tomorrow, the 21st, and rain clouds will develop here and there. However, since the possibility of rain will decrease following the day following the 22nd, this Saturday and Sunday will be the timing of the end of the rainy season.
At the earliest, the rainy season may end in Tohoku as early as this weekend.
However, until tomorrow, the 21st, there is a risk of a sudden increase in the risk of landslides due to localized heavy rain, so please continue to be vigilant.
In Kyushu and Shikoku, humid air will flow in for a while, and unstable conditions will continue.
After the 26th, when the Pacific high pressure extends westward, the summer sky is expected to spread over a wide area of western Japan. Kyushu and Shikoku are likely to end the rainy season in the middle of next week.
Just following the end of the rainy season, the intense heat continues, so please be careful of heatstroke.
The number of people who enjoy leisure activities such as the sea and rivers is increasing, but please be aware that water accidents will increase at once.
Japan Weather Association forecast for the end of the rainy season
In late July, the Pacific High is expected to expand northward. After that, from early August onwards, the extension of the high-pressure system to the north will temporarily weaken.
Following the announcement of the end of the rainy season in Chugoku, Kinki, and Tokai on the 20th today, the rainy season will end in Hokuriku on the 21st, and on the 22nd in the Kanto Koshin and Tohoku regions.
After that, on the 26th, the rainy season is expected to end in Shikoku, northern Kyushu, and southern Kyushu.
<梅雨明け予想 7/20>
Northern Tohoku Around July 22 Earlier than normal
Southern Tohoku Around July 22 Normal
Hokuriku Around July 21 Normal year
Kanto-Koshin around July 22, later than normal
Shikoku around July 26, later than normal
Northern Kyushu around July 26, later than normal
Southern Kyushu around July 26, later than normal
In the last 10 years (2013-2022), comparing the end of the rainy season in Kanto-Koshin and northern Kyushu/southern Kyushu,
・The rainy season ended later in northern Kyushu than in Kanto-Koshin five times (2013, 2015, 2017-2019)
・There have been 4 times (2013, 2015, 2017, 2018) that the rainy season ended later in southern Kyushu than in Kanto Koshin.
In early August, humid air flows in, so please continue to pay attention to heavy rain information even following the end of the rainy season.
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